57280226400 has 108 divisors (see below), whose sum is σ = 201984423732. Its totient is φ = 15274725120.

The previous prime is 57280226389. The next prime is 57280226429. The reversal of 57280226400 is 462208275.

57280226400 is a `hidden beast` number, since 5 + 7 + 2 + 8 + 0 + 2 + 2 + 640 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3970594 + ... + 3984993.

Almost surely, 2^57280226400 is an apocalyptic number.

57280226400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57280226400 is an abundant number, since it is smaller than the sum of its proper divisors (144704197332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57280226400 is a wasteful number, since it uses less digits than its factorization.

57280226400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955613 (or 7955597 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 57280226400 in words is "fifty-seven billion, two hundred eighty million, two hundred twenty-six thousand, four hundred".